Find the mistake, then find the correct answer.Solve for x: x2 = 40line 1 
= 
line 2 x = 2
What will be an ideal response?
Line 2 gave only the positive square root. The correct answer is x = ±2
.
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Solve the problem.Kate's kite descends along the curve of y = -2x2 + 20. What is the angle of the descent (with the vertical) when 
A. 83.5° B. 81.2° C. 6.5° D. 4.5°
Find the curvature of the curve r(t).r(t) = (3t + 10)i - 10j + (4 - 
t2)k
A. ? = 3
3/2
B. ? = 
C. ? = 3
D. ? = 
Is the following correspondence a function??
A. No B. Yes
When constructing pro forma financial statements, which of the following equations can be used to estimate additional funds needed (AFN)?
A. Estimated AFN = Forecasted increase in assets + Forecasted increase in liabilities + Forecasted increase in retained earnings B. Estimated AFN = Forecasted increase in assets - Financing feedbacks + Forecasted increase in retained earnings C. Estimated AFN = Forecasted increase in assets - Financing feedbacks - Spontaneously generated funds D. Estimated AFN = Forecasted increase in liabilities + Financing feedbacks + Spontaneously generated funds E. Estimated AFN = Forecasted increase in assets - Forecasted increase in liabilities - Forecasted increase in retained earnings